20508717244

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{42859}}^1$

素因数の和:43138

約数の個数: 48

約数和(自身を含む): 39401026560

約数和(自身を除く): 18892309316

約数列:

[1, 2, 4, 17, 31, 34, 62, 68, 124, 227, 454, 527, 908, 1054, 2108, 3859, 7037, 7718, 14074, 15436, 28148, 42859, 85718, 119629, 171436, 239258, 478516, 728603, 1328629, 1457206, 2657258, 2914412, 5314516, 9728993, 19457986, 22586693, 38915972, 45173386, 90346772, 165392881, 301598783, 330785762, 603197566, 661571524, 1206395132, 5127179311, 10254358622, 20508717244]

約数ペア:

[(1, 20508717244), (2, 10254358622), (4, 5127179311), (17, 1206395132), (31, 661571524), (34, 603197566), (62, 330785762), (68, 301598783), (124, 165392881), (227, 90346772), (454, 45173386), (527, 38915972), (908, 22586693), (1054, 19457986), (2108, 9728993), (3859, 5314516), (7037, 2914412), (7718, 2657258), (14074, 1457206), (15436, 1328629), (28148, 728603), (42859, 478516), (85718, 239258), (119629, 171436)]